Add description

app.py

@@ -32,6 +32,16 @@ from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
 from langchain.memory.chat_message_histories.streamlit import StreamlitChatMessageHistory
 
+# sidebar contents
+with st.sidebar:
+	st.title('DOC-QA DEMO ')
+	st.markdown('''
+	## About 	
+	Detail this application:
+	- LLM model: llama2-7b-chat-4bit 
+	- Hardware resource : Huggingface space 2 vCPU 16 GB Free 
+	''')
+
 class UploadDoc:
     def __init__(self, path_data):
         self.path_data = path_data